9906640

素因数分解:

$2^4\times 5^1\times {\mathrm{123833}}^1$

素因数の和:123846

約数の個数: 20

約数和(自身を含む): 23033124

約数和(自身を除く): 13126484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123833, 247666, 495332, 619165, 990664, 1238330, 1981328, 2476660, 4953320, 9906640]

約数ペア:

[(1, 9906640), (2, 4953320), (4, 2476660), (5, 1981328), (8, 1238330), (10, 990664), (16, 619165), (20, 495332), (40, 247666), (80, 123833)]